Home / 1,940,988.86-2,678,528.74-1,057,945.62

Finding the Fourth Proportional to 1,940,988.86, 2,678,528.74 and 1,057,945.62

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Solution

The fourth proportional to 1,940,988.86, 2,678,528.74 and 1,057,945.62 is: 1,459,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,988.86 : 2,678,528.74 = 1,057,945.62 : x
  2. Step 2: Convert to fraction form
    1,940,988.86/2,678,528.74 = 1,057,945.62/x
  3. Step 3: Cross multiply
    1,940,988.86x = 2,678,528.74 × 1,057,945.62
  4. Step 4: Simplify right side
    1,940,988.86x = 2,833,737,748,527.12
  5. Step 5: Solve for x
    x = 2,833,737,748,527.12/1,940,988.86
  6. Step 6: Final answer
    x = 1,459,945.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.